24 /* Max heartbeat is calculated at 32kHz source clock */
55 static int heartbeat = DEFAULT_HEARTBEAT;  variable
125 		/* 50% open window => 50% min heartbeat */  in rti_wdt_setup_hw_hb()
126 		wdd->min_hw_heartbeat_ms = 500 * heartbeat;  in rti_wdt_setup_hw_hb()
130 		/* 25% open window => 75% min heartbeat */  in rti_wdt_setup_hw_hb()
131 		wdd->min_hw_heartbeat_ms = 750 * heartbeat;  in rti_wdt_setup_hw_hb()
135 		/* 12.5% open window => 87.5% min heartbeat */  in rti_wdt_setup_hw_hb()
136 		wdd->min_hw_heartbeat_ms = 875 * heartbeat;  in rti_wdt_setup_hw_hb()
140 		/* 6.5% open window => 93.5% min heartbeat */  in rti_wdt_setup_hw_hb()
141 		wdd->min_hw_heartbeat_ms = 935 * heartbeat;  in rti_wdt_setup_hw_hb()
145 		/* 3.125% open window => 96.9% min heartbeat */  in rti_wdt_setup_hw_hb()
146 		wdd->min_hw_heartbeat_ms = 969 * heartbeat;  in rti_wdt_setup_hw_hb()
268 		if (preset_heartbeat != heartbeat)  in rti_wdt_probe()
269 			dev_warn(dev, "watchdog already running, ignoring heartbeat config!\n");  in rti_wdt_probe()
271 		heartbeat = preset_heartbeat;  in rti_wdt_probe()
282 			dev_warn(dev, "time_left > heartbeat? Assuming last ping just before now.\n");  in rti_wdt_probe()
287 	watchdog_init_timeout(wdd, heartbeat, dev);  in rti_wdt_probe()
338 module_param(heartbeat, int, 0);
339 MODULE_PARM_DESC(heartbeat,
340 		 "Watchdog heartbeat period in seconds from 1 to "